Speed from 1 hour/s to 10 years/s, pause and time reversal.
Tapping the date opens a date selection (1800–2050, the range of accuracy of the items).
Two-finger zoom, drag to move, double-tap to reset view.
Tapping a planet shows a map with:
distance to the Sun and to the Earth (AU and million km)
orbital velocity (vis-viva)
period
the elements a, e, i
Condensed scale (√r) to see both Mercury and Neptune. Can be turned off for true proportions.
Languages: English (default), Bulgarian, German, French and Spanish, with a switch in the menu